NF EN ISO 21012

NF EN ISO 21012

December 2018
Standard Cancelled mandatory application standard
  • Consult online for free
  • Consult the entire collection of French and European standards for free in the regional delegations of the AFNOR Group by clicking here

Cryogenic vessels - Hoses

ISO 21012:2018 specifies design, construction, type and production testing, and marking requirements for non-insulated cryogenic flexible hoses used for the transfer of cryogenic fluids within the following range of operating conditions:- working temperature: from −270 °C to +65 °C;- nominal size (DN): from 10 to 100.End fittings for mounting of any couplings are within the scope of this document, but the couplings are subject to other standards.ISO 21012:2018 is intended that the hose be designed and tested to satisfy the generally accepted rated pressure i.e. at least PR 40. Hoses may be then selected with a PR equal to or greater than the maximum allowable pressure (PS) of the equipment to which it is to be used.

See more
View the extract
Main informations

Collections

National standards and national normative documents

Publication date

December 2018

Number of pages

23 p.

Reference

NF EN ISO 21012

ICS Codes

23.020.40   Cryogenic vessels
83.140.40   Hoses

Classification index

E86-511

Print number

1

International kinship

ISO 21012:2018

European kinship

EN ISO 21012:2018
Sumary
Cryogenic vessels - Hoses

ISO 21012:2018 specifies design, construction, type and production testing, and marking requirements for non-insulated cryogenic flexible hoses used for the transfer of cryogenic fluids within the following range of operating conditions:

- working temperature: from −270 °C to +65 °C;

- nominal size (DN): from 10 to 100.

End fittings for mounting of any couplings are within the scope of this document, but the couplings are subject to other standards.

ISO 21012:2018 is intended that the hose be designed and tested to satisfy the generally accepted rated pressure i.e. at least PR 40. Hoses may be then selected with a PR equal to or greater than the maximum allowable pressure (PS) of the equipment to which it is to be used.

Replaced standards (1)
NF EN 12434
January 2001
Standard Cancelled
Cryogenic vessels - Cryogenic flexible hoses

Le présent document spécifie des exigences relatives à la conception, la construction, les essais et le marquage des tuyaux flexibles cryogéniques non isolés.

Standard replaced by (1)
NF EN ISO 21012
September 2024
Standard Current
Cryogenic vessels - Hoses

This document specifies design, construction, type and production testing, and marking requirements for both non-insulated cryogenic flexible hoses and insulated vacuum jacketed hoses used for the transfer of cryogenic fluids within the following range of operating conditions: —     working temperature range: from −270 °C to +65 °C; —     nominal size (DN): from 10 to 100. End fittings for mounting of any couplings are within the scope of this document, but the couplings are subject to other standards.

Table of contents
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Exigences générales
  • 5 Essais sur échantillons de flexibles
  • 6 Essais de production
  • 7 Marquage
  • 8 Nettoyage
  • 9 Examen périodique
  • 10 Certificat d'essais
  • Annexe A Tuyauterie flexible type
  • Annexe B Essai de cycles de flexion applicable aux tuyauteries métalliques flexibles et aux tuyauteries flexibles en matériaux, accompagné d'un enregistrement d'utilisation satisfaisante en service cryogénique
  • Annexe C Essai de cycles de flexion applicable aux tuyauteries flexibles constituées en matériaux ou composites rarement utilisés en service cryogénique
  • Annexe D Guide relatif à l'examen périodique des flexibles de transvasement
ZOOM ON ... the Requirements department
To comply with a standard, you need to quickly understand its issues in order to determine its impact on your activity.

The Requirements department helps you quickly locate within the normative text:
- mandatory clauses to satisfy,
- non-essential but useful clauses to know, such as permissions and recommendations.

The identification of these types of clauses is based on the document “ISO / IEC Directives, Part 2 - Principles and rules of structure and drafting of ISO documents ”as well as on a constantly enriched list of verbal forms.

With Requirements, quickly access the main part of the normative text!

With Requirements, quickly access the main part of the normative text!
What is the Redline format?
The Redline + service - standards comparator allows you to easily and simply identify major changes between the current standard and its last canceled version.

At a glance, you will be able to identify the additions, deletions or modifications to a text, table, figure and formula.
At a glance, you will be able to identify the additions, deletions or modifications to a text, table, figure and formula

The Redlines + service is offered to you on the collection of French standards in force, in French language and in HTML and PDF format.

For an overview of the service, click on View a standard in redline format
Need to identify, monitor and decipher standards?

COBAZ is the simple and effective solution to meet the normative needs related to your activity, in France and abroad.

Available by subscription, CObaz is THE modular solution to compose according to your needs today and tomorrow. Quickly discover CObaz!

Request your free, no-obligation live demo

I discover COBAZ